Texas Instruments

REG103GA-3.3/2K5

REG103GA-3.3/2K5 Description

The REG103GA-3.3/2K5 is a high-performance linear regulator designed by Texas Instruments, part of the Power Management Integrated Circuits (PMIC) category. This IC offers a fixed output voltage of 3.3V and is capable of delivering up to 500mA of output current, making it suitable for a wide range of applications requiring stable power supply. The regulator is housed in a compact SOT223-6 package, ideal for surface mount applications where space is a premium.

Key specifications include a maximum input voltage of 15V, ensuring compatibility with various input sources. The regulator features a low dropout voltage of 0.28V at 050mA, which enhances efficiency and allows it to operate effectively even when the input voltage is close to the output voltage. Additionally, the IC has a low quiescent current of 0.7mA, contributing to its overall efficiency and making it suitable for battery-powered devices.

REG103GA-3.3/2K5 Features

• Fixed Output Voltage: Provides a stable 3.3V output, essential for powering digital circuits and microcontrollers.
• High Output Current: Capable of delivering up to 500mA, supporting a variety of low-power applications.
• Low Dropout Voltage: At 0.28V @ 500mA, it ensures high efficiency and minimal power loss.
• Low Quiescent Current: 0.7mA ensures minimal power consumption in standby mode, ideal for battery-operated devices.
• Enable Control Feature: Allows for dynamic control of the regulator's operation, enhancing flexibility and power management.
• Protection Features: Over-current and over-temperature protection safeguard the IC and connected components from damage.
• Surface Mount Package: The SOT223-6 package is compact and suitable for modern PCB designs.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.

REG103GA-3.3/2K5 Applications

The REG103GA-3.3/2K5 is ideal for applications requiring a stable 3.3V power supply with moderate current requirements. Its low dropout voltage and high efficiency make it particularly suitable for:

• Battery-Powered Devices: The low quiescent current and high efficiency ensure extended battery life.
• Embedded Systems: Provides a reliable power source for microcontrollers and digital circuits.
• Consumer Electronics: Suitable for portable devices and gadgets requiring a compact and efficient power solution.
• Industrial Applications: The robust design and protection features make it reliable for industrial control systems.

Conclusion of REG103GA-3.3/2K5

The REG103GA-3.3/2K5 linear regulator from Texas Instruments stands out for its combination of high efficiency, low dropout voltage, and robust protection features. Its compact SOT223-6 package and fixed 3.3V output make it an ideal choice for a variety of applications, particularly those requiring a stable power supply with moderate current. The enable control feature and low quiescent current further enhance its versatility and efficiency, making it a reliable and efficient power management solution for modern electronic designs.